Modals - Must have - Conclusion

MIGHT HAVE	MUST HAVE
A guess based on a little information	An informed guess (conclusion, inference, deduction) based on known details or information.
She's sad. She might miss her family or she might be disappointed.	She is alone. She has nothing but a glass of absinthe (strong alcohol). She must be depressed.
She looks upset. She might be thinking about her love life.	She is upset. Her boyfriend is not around anymore. She must have broken up with her boyfriend.

MIGHT HAVE

MUST HAVE

A guess based on a little information

An informed guess (conclusion, inference, deduction) based on known details or information.

She's sad. She might miss her family or she might be disappointed.

She is alone. She has nothing but a glass of absinthe (strong alcohol).

She must be depressed.

She looks upset. She might be thinking about her love life.

She is upset. Her boyfriend is not around anymore.

She must have broken up with her boyfriend.

MUST – CONCLUSION	MUST – NECESSITY
Must can be used when making a conclusion or inference based on known details or information.	Must can be used when stating opinion about what needs to be done.
She must be upset. (I can see her facial expression.)	We must ask her if we can do something to help.
She must have had a bad experience.	She told me that she had to break up with boyfriend and to leave her alone. (The past tense of must is had to.)

SENT TYPE	SUBJECT	MODAL	VERB BASE
STATEMENT guess	She	might	be	upset.
inference	She	must	be	upset.
NEGATIVE guess	She	might not	be	upset.
inference	She	must not	be	upset.
PAST guess	She	might have	been	upset.
inference	She	must have	been	upset.
NEG. PAST guess	She	might not have	been	upset.
inference	She	may not have	been	upset.
W / ADVERB guess	She	might really have	been	upset.
inference	She	must truly have	been	upset.

#		YOUR RESPONSE	CHECK ANSWER
1.		Whose DVD is this? – It belong to you.
2.		It has your name on it. – It yours then.
3.		The man is in a shop and is cutting meat. He a butcher.
4.		The butcher the owner of the shop.
5.		What's the woman making? – She stuffing grape leaves for dolma or dolmathes.
6.		She rolls the grape leaves so quickly! – She them for years.
7.		What kind of game was this man playing? – He playing cards or dominos.
8.		Why is he so happy?– He won .
9.		How does he "throw" such a big pot? He his skill for several years. Eng-US: practice (n./ v.) , Eng–Br: practise (v.)
10.		Where did he learn to make such big pots? He it from his father.
11.		Where did she get those glasses? She them from her father.
12.		The little girl very pleased with herself. – Yes, she was!
13.		Is that a dog or a caterpillar? I don't know. It appears that a caterpillar the dog.
14.		The dog by having to wear such a costume. embarrassed (adj.) – feeling nervous and uncomfortable and worrying about what people think of you
15.		Where is this island? – It in the Pacific Ocean.
16.		It has a prison on it with a California flag. – It Alcatraz.